<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <title>Example</title>
  <style>
    body { 
      font-family: Helvetica;
    }

    * {
      box-sizing: content-box;
    }
  </style>
</head>
<body>
  <div id="app"></div>
  <script src="../example-bundle.js"></script>
</body>
</html>